Not brushing teeth before going to bed, the consequences are very serious! 1, periodontal disease, carious patients in the process of sleep, as the saliva to kill bacteria in the main force, the secretion will be greatly reduced. Once in a while, not brushing teeth may let oral bacteria take advantage of the situation and greatly increase the risk of caries and periodontal disease. And long-term non-brushing before bedtime will lead to microbial overload in the mouth, easily leading to toothache, bad breath and other symptoms. Once in a while, if you don’t brush your teeth, you will wake up the next day with bad breath, the reason is due to bacteria and food residue decay and the smell from decay. 2, pneumonia due to oral problems and infection of lung disease, which may sound incredible. But in fact, this phenomenon often occurs in the 65-year-old and bedridden chronically ill people. Oral breeding bacteria with saliva and food debris into the body, and the elderly cough reflexes are low, the germs will remain in the lungs for two to three days, leading to aspiration pneumonia, and even lung abscesses, pulmonary effusion, etc.. 3, heart disease, a study found that never brushed or rarely brushed teeth compared to twice a day, the chances of heart disease is as high as 70%. Plaque buildup can lead to gingivitis, which causes the body’s immune mechanism to respond, manifesting as an increase in white blood cells, which is one of the main factors triggering heart disease. So everyone, even if you are tired and sleepy. For the sake of your own body, do not be lazy, 3 to 5 minutes, get your teeth, help you sleep peacefully. It is important to brush your teeth before going to bed, but it is even more important to learn the correct way to brush your teeth. When brushing your teeth to develop a careful and conscientious habit, it is best to divide the whole mouth into a number of areas according to the upper and lower left and right, brushing in a certain order, such as first up and then down, first left and then right, first outside and then inside, so that the lip (cheek) surface, tongue and occlusal surface can be brushed to not miss, all sides, repeat several times, each brush time less than 3 minutes. Brush before going to bed is more important than the morning brush, not only can remove the oral cavity, and help protect the teeth, help to sleep peacefully, but also to prevent a variety of systemic diseases, of course, with dental floss will be more perfect to protect their teeth.